package ws.quokka.maven.repo_plugin;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import org.apache.maven.artifact.factory.ArtifactFactory;
import org.apache.maven.artifact.factory.DefaultArtifactFactory;
import org.apache.maven.artifact.handler.manager.ArtifactHandlerManager;
import org.apache.maven.artifact.handler.manager.DefaultArtifactHandlerManager;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.logging.Log;
import org.apache.maven.plugin.testing.SilentLog;
import org.apache.maven.shared.model.fileset.FileSet;
import org.apache.maven.shared.model.fileset.util.FileSetManager;
import org.codehaus.plexus.util.ReflectionUtils;

import java.io.File;
import java.io.IOException;
import java.lang.reflect.Field;
import java.util.HashMap;

public class DependencyTestUtils {

    /**
     * Deletes a directory and its contents.
     *
     * @param dir The base directory of the included and excluded files.
     * @throws IOException
     * @throws MojoExecutionException When a directory failed to get deleted.
     */
    public static void removeDirectory(File dir)
            throws IOException {
        if (dir != null) {
            Log log = new SilentLog();
            FileSetManager fileSetManager = new FileSetManager(log, false);

            FileSet fs = new FileSet();
            fs.setDirectory(dir.getPath());
            fs.addInclude("**/**");
            fileSetManager.delete(fs);

        }
    }

    public static ArtifactFactory getArtifactFactory()
            throws IllegalAccessException {
        ArtifactFactory artifactFactory;
        ArtifactHandlerManager manager = new DefaultArtifactHandlerManager();
        setVariableValueToObject(manager, "artifactHandlers", new HashMap());

        artifactFactory = new DefaultArtifactFactory();
        setVariableValueToObject(artifactFactory, "artifactHandlerManager", manager);

        return artifactFactory;
    }

    /**
     * convience method to set values to variables in objects that don't have
     * setters
     *
     * @param object
     * @param variable
     * @param value
     * @throws IllegalAccessException
     */
    public static void setVariableValueToObject(Object object, String variable, Object value)
            throws IllegalAccessException {
        Field field = ReflectionUtils.getFieldByNameIncludingSuperclasses(variable, object.getClass());

        field.setAccessible(true);

        field.set(object, value);
    }

    public static void setFileModifiedTime(File file)
            throws InterruptedException {
        Thread.sleep(100);
        // round down to the last second
        long time = System.currentTimeMillis();
        time = time - (time % 1000);
        file.setLastModified(time);
        // wait at least a second for filesystems that only record to the
        // nearest second.
        Thread.sleep(1000);
    }

}
